package com.atguigu.common.vaild;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
    private Set<Integer> set = new HashSet<Integer>();

    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] values = constraintAnnotation.values();
        for (int value:values
             ) {
            set.add(value);
        }
    }

    //判断是否校验成功

    /**
     * 需要校验的值
     * @param value
     * @param constraintValidatorContext
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(value);
    }
}
